using System.Security.Claims;
using Api.SeaHavenIndustries.Controllers;
using Api.SeaHavenIndustries.DTOs;
using Data.SeaHavenIndustries;
using FluentAssertions;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Logging;
using Moq;
using SeaHaven.Services.DTOs;
using SeaHaven.Services.Interfaces;
using Xunit;

namespace Api.SeaHavenIndustries.Tests;

public class FollowUpControllerTests
{
    private static FollowUpController NewController(Mock<IFollowUpService> service)
    {
        var controller = new FollowUpController(service.Object, Mock.Of<ILogger<FollowUpController>>())
        {
            ControllerContext = new ControllerContext
            {
                HttpContext = new DefaultHttpContext
                {
                    User = new ClaimsPrincipal(new ClaimsIdentity(new[]
                    {
                        new Claim(ClaimTypes.NameIdentifier, "user-1")
                    }, "Test"))
                }
            }
        };
        return controller;
    }

    private static FollowUpController NewControllerNoUser(Mock<IFollowUpService> service) =>
        new(service.Object, Mock.Of<ILogger<FollowUpController>>())
        {
            ControllerContext = new ControllerContext
            {
                HttpContext = new DefaultHttpContext
                {
                    User = new ClaimsPrincipal(new ClaimsIdentity())
                }
            }
        };

    private static object Prop(object source, string name) =>
        source.GetType().GetProperty(name)!.GetValue(source)!;

    [Fact]
    public async Task GetFollowUps_ReturnsPaginationEnvelopeWithMappedRows()
    {
        var service = new Mock<IFollowUpService>();
        service.Setup(s => s.GetFollowUpListAsync(1, 12, "", "Open", It.IsAny<CancellationToken>()))
               .ReturnsAsync(new PagedResult<FollowUpListRowDTO>
               {
                   Items = new List<FollowUpListRowDTO> { new() { Id = 1, Reason = "R", CreatedByName = "Me" } },
                   TotalCount = 1,
                   Page = 1,
                   PageSize = 12
               });

        var result = await NewController(service).GetFollowUps();

        var ok = result.Should().BeOfType<OkObjectResult>().Subject;
        var envelope = ok.Value.Should().BeOfType<Pagination_DTO>().Subject;
        envelope.PageSize.Should().Be(12);
        envelope.TotalCount.Should().Be(1);
    }

    [Fact]
    public async Task GetById_WhenMissing_ReturnsNotFound()
    {
        var service = new Mock<IFollowUpService>();
        service.Setup(s => s.GetFollowUpDetailAsync(9, It.IsAny<CancellationToken>()))
               .ReturnsAsync((FollowUpDetailDTO?)null);

        var result = await NewController(service).GetById(9, CancellationToken.None);

        result.Should().BeOfType<NotFoundResult>();
    }

    [Fact]
    public async Task Create_WhenNoUser_ReturnsUnauthorized()
    {
        var service = new Mock<IFollowUpService>();
        var result = await NewControllerNoUser(service).Create(new FollowUp_DTO { Reason = "x" }, CancellationToken.None);

        var unauthorized = result.Should().BeOfType<UnauthorizedObjectResult>().Subject;
        unauthorized.Value.Should().BeOfType<Response>().Subject.Message.Should().Be("User not authenticated");
        service.Verify(s => s.CreateOpenFollowUpAsync(It.IsAny<FollowUpCreateRequestDTO>(), It.IsAny<string>(), It.IsAny<CancellationToken>()), Times.Never);
    }

    [Fact]
    public async Task Create_WhenAuthenticated_ReturnsCreatedWithId()
    {
        var service = new Mock<IFollowUpService>();
        service.Setup(s => s.CreateOpenFollowUpAsync(It.IsAny<FollowUpCreateRequestDTO>(), "user-1", It.IsAny<CancellationToken>()))
               .ReturnsAsync(42);

        var result = await NewController(service).Create(new FollowUp_DTO { Reason = "x" }, CancellationToken.None);

        var ok = result.Should().BeOfType<OkObjectResult>().Subject;
        var response = ok.Value.Should().BeOfType<DataResponse>().Subject;
        response.Status.Should().Be("200");
        response.Message.Should().Be("Follow Up created");
        ((object?)response.Data).Should().Be(42);
    }

    [Fact]
    public async Task Complete_WhenMissing_ReturnsNotFound()
    {
        var service = new Mock<IFollowUpService>();
        service.Setup(s => s.SetFollowUpStatusAsync(3, "Completed", It.IsAny<CancellationToken>()))
               .ReturnsAsync(false);

        var result = await NewController(service).Complete(3, CancellationToken.None);

        result.Should().BeOfType<NotFoundResult>();
    }

    [Fact]
    public async Task Delete_WhenMissing_ReturnsNotFoundEnvelope()
    {
        var service = new Mock<IFollowUpService>();
        service.Setup(s => s.RemoveFollowUpAsync(8, It.IsAny<CancellationToken>()))
               .ReturnsAsync(false);

        var result = await NewController(service).Delete(8, CancellationToken.None);

        var notFound = result.Should().BeOfType<NotFoundObjectResult>().Subject;
        notFound.Value.Should().BeOfType<Response>().Subject.Message.Should().Be("Follow Up not found");
    }
}